看空:INVOL/100; 看多:OUTVOL/100; DRAWTEXT(OUTVOL>INVOL AND CLOSE<OPEN,0,'$'); DRAWTEXT(OUTVOL>(INVOL+INVOL),0,'X'); DRAWTEXT(OUTVOL<INVOL AND CLOSE>OPEN,0,'V'); DRAWTEXT((OUTVOL+OUTVOL)<INVOL,0,'X');
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